About: http://webisa.webdatacommons.org/342266715

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	A factor or variable other than the ones being studied that, if not controlled, could affect the outcome of an experiment.
http://www.w3.org/ns/prov#wasQuotedFrom	flashcardmachine.com